Add Game plugin to Tesseratos

[RiscadoA]

Description

Adds the game plugin to Tesseratos. This plugin adds a resource, which holds the state of the game being edited. Check out the game resource docs for more info about its states.

Checklist

• [x] Self-review changes.
• [x] Evaluate impact on the documentation.
• [x] Ensure test coverage.
• [x] Write new samples.
• [x] Add entry to the changelog's unreleased section.

[github-actions[bot]]

PR Preview Action v1.4.7 :---: :rocket: Deployed preview to https://GameDevTecnico.github.io/cubos/docs-preview/pr-1230/ on branch gh-pages at 2024-06-11 12:34 UTC

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 40.47%. Comparing base (da70041) to head (debaf2f).

:exclamation: Current head debaf2f differs from pull request most recent head 6679ca9

Please upload reports for the commit 6679ca9 to get more accurate results.

Files	Patch %	Lines
core/src/ecs/cubos.cpp	0.00%	4 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1230 +/- ## ========================================== - Coverage 40.48% 40.47% -0.01% ========================================== Files 352 352 Lines 26173 26177 +4 ========================================== Hits 10596 10596 - Misses 15577 15581 +4 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.